Ben Botts and Jeremy Mixon each scored 20 points and IPFW allowed a season low in points in a 95-50 victory over Chicago State on Tuesday night.
Frank Gaines added 16 points, Trey McCorkle had 15 and Zach Plackemeier finished with 10 points and 11 assists for the Mastodons (16-8).
Jonathon Montgomery scored 15 to lead the Cougars (6-18), who have allowed 90 or more points in 12 games this season.
IPFW limited Chicago State to 18.8 percent shooting in the first half and took a 51-15 lead into intermission. The Mastodons extended their lead to 55 in the second half and shot 53.4 percent overall.
The Cougars scored the game's first points on a dunk by Victor Scott, but IPFW scored the next eight and never trailed again. The Mastodons closed the first half on a 29-2 run.